Federation API · Developer Reference

Build on the karate.support Federation API

REST API v2 for national federation systems. Manage athletes, tournaments, rankings, and anti-doping records programmatically. Webhooks notify your systems in real time. All data is scoped to your federation.

15
Endpoints
6
Auth Methods
10
Webhooks
5k/hr
Rate Limit
99.9%
SLA
Base URL
https://api.karate.support/v2
Content-Type
application/json (all requests and responses)
Versioning
URI versioning. Current stable version is v2. v1 is deprecated and sunset on 2025-12-31.
Pagination
Cursor-based pagination on all list endpoints. Pass cursor= from the previous response next_cursor field.
Error Format
{ "error": { "code": "ATHLETE_NOT_FOUND", "message": "...", "request_id": "..." } }
Sandbox
https://api-sandbox.karate.support/v2 — same endpoints, isolated data, no billing or live records.

Quick Start

# 1. Exchange client credentials for access token curl -X POST https://api.karate.support/v2/oauth/token \ -H "Content-Type: application/json" \ -d '{"grant_type":"client_credentials","client_id":"FED_001","client_secret":"sk_..."}' # 2. Use token to list athletes curl https://api.karate.support/v2/athletes \ -H "Authorization: Bearer eyJhbGci..."

HTTP Status Codes

200OK
201Created
204No Content (DELETE success)
400Bad Request — invalid payload
401Unauthorized — token missing/expired
403Forbidden — insufficient scope
404Not Found
429Rate Limit Exceeded
500Internal Server Error